A guy who answers a question with absolute certainty and then claims he thought he was answering a different question based on people's reaction when he is wrong in order to manifest himself being correct.
John : "Where are crocodiles found?"
Wombat : "They're only found in Australia"
John : *googles it* "No, they're found in Africa and both North and South America as well"
Wombat : "OH! I thought the question was where are crocodiles native to"
John : "You are a Schrodinger's Economist"